var NSCanvasDefaultRect = function()
{
	this.x = 0;
	this.y = 0;
	this.width = 10;
	this.height = 10;
	this.alpha = 0.0;
	this.delay = 0;
	
	// 면 체우기
	this.image;
	
	this._displayUpdateWithContext2D = function( context )
	{
		var _scaleX			= 400/this.image.width;
		var _scaleY			= 300/this.image.height;
		
		context.globalAlpha = this.alpha;
		context.drawImage( this.image, this.x/_scaleX, this.y/_scaleY, this.width/_scaleX, this.height/_scaleY, this.x, this.y, this.width, this.height );
		if( this.delay <= 0 )
		{
			this.alpha += ( 1-this.alpha )*0.18;
		}else{
			this.delay -= 0.1;
		}
	}
}